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Finding the Fourth Proportional to 92,226.48, 138,325.95 and 25,659.68

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Solution

The fourth proportional to 92,226.48, 138,325.95 and 25,659.68 is: 38,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,226.48 : 138,325.95 = 25,659.68 : x
  2. Step 2: Convert to fraction form
    92,226.48/138,325.95 = 25,659.68/x
  3. Step 3: Cross multiply
    92,226.48x = 138,325.95 × 25,659.68
  4. Step 4: Simplify right side
    92,226.48x = 3,549,398,921.07
  5. Step 5: Solve for x
    x = 3,549,398,921.07/92,226.48
  6. Step 6: Final answer
    x = 38,485.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.